HR1806

Above the horizon. Rise: 23:12 | Tran: 4:46 | Set: 10:17

Alt: 30.41° Az: 156.30° Direction: South-South-East

HR1806 is a main-sequence star of spectral class B9 in the constellation of Orion.

HR1806 visual magnitude is 6.23. Because of its faintness, HR1806 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR1806. The red arrow shows the motion of HR1806 during the next 10000 years (2.17 arcmin in Right Ascension and 1.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 27m 15s

Declination -05° 29’ 53”

Hour Angle 22h 38m 28s

Sidereal Time 04h 05m 43s

J2000

Right Ascension 05h 26m 02s

Declination -05° 31’ 05”

Galactic Coordinates

Galactic Longitude 208.02°

Galactic Latitude -21.49°

Finder Chart

Simplified finder chart for HR1806.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.23

Class Main-sequence

Absolute magnitude -0.32

Spectral Type B9V

Color Index (B-V) -0.06

Temperature 10941K

The red dot in the diagram below shows where HR1806 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1806. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1806 is distant 666.67 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

Distance (parsec) 204.50

Distance (light year) 666.67

Radial Speed 18 km/s

Proper Motion RA 0.013 arcsec/y

Proper Motion Dec 0.008"/y

Alternative Designations

Henry Draper Catalogue HD35640

SAO Catalogue SAO132100

Hipparcos Catalogue HIP25401

Durchmusterung Catalogue BD-05 1247

Visibility from Your Location

Today's HR1806 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 95.5° RISE 23:12

Max altitude: 33.0° TRANSIT 4:46

Azimuth: 264.5° SET 10:17

Set Location

Other stars in Orion